[Chapel Merge] Fix GPU ROCM runtime calls for block size and idx

Branch: refs/heads/main
Revision: b51ebd38cb92bf32842bccd48c63262e7535c145
Author: stonea
Link: Fix GPU ROCM runtime calls for block size and idx by stonea · Pull Request #21919 · chapel-lang/chapel · GitHub
Log Message:
Fix GPU ROCM runtime calls for block size and idx (#21919)

These were accidentally reversed (the block size functions were calling
the ROCM primitives for block index and vice versa).

[Reviewed by @e-kayrakli]

Compare: Comparing 072effcf567422de42e62c9748d2da83aa162351...d23acf580c22a242cac85e92ed15f3388e8e4842 · chapel-lang/chapel · GitHub

Diff:
M runtime/include/gpu/rocm/chpl-gpu-gen-includes.h
https://github.com/chapel-lang/chapel/pull/21919.diff